[Bulk Sales] Behind-Ear Hearing Aid High Cost Performance for Elderly Hearing Impaired Sound Amplifier Auxiliary Device

Description

彩盒 60g 16 x 9 x 2cm 箱规： 51 x 38 x 37cm 15Kg 200PCS Features: 1.Max sound output:115±3dB 2.Sound gain: ≥28±2dB 3.Total harmonic wave distortion: ≤7% 4.Frequency range:300-4800MHz 5.Input Noise: ≤29dB 6.Voltage: d.c.1.4V 7.Current: ≤1.2mA 清单： 1 x 主机 1 x 英文说明书 3 x 耳帽 1 x 彩盒 2 x 电池（按规格）

Specifications